Shopping-center developer and philanthropist. Built Legacy Place in Dedham and MarketStreet in Lynnfield. Pledged millions to local hospitals.

Real Estate & Construction

George P. Sakellaris

Age 71

Boston, MA

#43 Net worth: $700M

Greek native is the President and CEO, of Ameresco, a leading energy efficiency and renewable energy company. An avid sailor, he won a 600-mile regatta.

Energy & Clean Tech

Margot C. Connell

Age 75

Swampscott, MA

#44 Net worth: $700M

Widow of William Connell, a businessman and philanthropist who built a recycling concern. Donated $10M to Harvard Business School.

Manufacturing & Industrial

Arthur T. DeMoulas

Age 62

Lowell, MA

#45 Net worth: $675M

CEO of Market Basket supermarket chain. Beloved by employees, he gained control of the grocery after a protracted and dramatic legal battle. Enjoys modest Lowell home.

Grocery & Beverage

John A. Kaneb

Age 83

Manchester, MA

#46 Net worth: $600M

CEO of HP Hood, which controls 15% of the New England milk market. A minority owner of the Boston Red Sox, Kaneb lives in a $10M North Shore estate.

Grocery & Beverage

David G. Mugar

Age 78

Belmont, MA

#47 Net worth: $600M

Businessman and philanthropist whose father built Star Market chain. Once owned TV broadcaster Channel 7. Former producer of Boston's Fourth of July celebration.

Real Estate & Construction

Vincent J. Ryan

Age 81

Boston, MA

#48 Net worth: $600M

Major shareholder of storage firm, Iron Mountain, which has over $3B in sales. Owns $11M home on Beacon Hill, as well as an estate on Block Island.

Venture Capital & Private Equity

Martin Trust

Age 83

Boston, MA

#49 Net worth: $600M

Built $1.5B apparel firm and sold it to The Limited. Owns condo at the Mandarin Oriental. Sold Palm Beach home to Howard Stern for more than $50M.

Footwear & Apparel

Thomas C. Werner

Age 67

Boston, MA

#50 Net worth: $600M

Television executive who co-produced The Cosby Show, Roseanne, and 3rd Rock from the Sun. He is a minority owner of the Boston Red Sox.

Sports & Entertainment

About AffluenceIQ

AffluenceIQ is the only Database profiling the highest net worth families in Massachusetts. With your one-year subscription, you'll have unlimited access to more than 2,000 profiles of individuals with a net worth of $10 million or more.